.mask_layer{
    z-index: 999;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.384);
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center
}
.mask_item{
    position: relative;
    background-color: white;
    width: 90%;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 8px;
}
